Finding the Third Proportional to 2,689,310 and 5,826,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689,310 : 5,826,640 = 5,826,640 : x
2. Step 2: Convert to fraction form
   2,689,310/5,826,640 = 5,826,640/x
3. Step 3: Cross multiply
   2,689,310x = 5,826,640 × 5,826,640
4. Step 4: Simplify right side
   2,689,310x = 33,949,733,689,600
5. Step 5: Solve for x
   x = 33,949,733,689,600/2,689,310
6. Step 6: Final answer
   x = 12,623,956.96